Solve the problem.Charlene baby-sits for $10 per hour. She also works as a tutor for $12 per hour. Because of school, her parents only allow her to work 13 hours per week. How many hours can Charlene tutor and baby-sit and still make at least $75 per week? (a) Write a system of inequalities for this situation.(b) Graph the solution set. 
What will be an ideal response?
(a)
(b) 
Mathematics
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Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.(
- 6)(
- 2)
A. x
+ 
+ 12
B. x
+ 12
C. x
+ 12
D. x
- 2
- 6
+ 12
Mathematics
Find the product.(n - 2)(n - 2)(n + 2)(n + 2)
A. n4 + 8n - 16 B. n4 - 8n2 + 16 C. n4 - 8n + 16 D. n4 + 8n2 - 16
Mathematics
Use common or natural logarithms to solve the exponential equation symbolically.2(x - 1) = 16
A. x = 
+ 1
B. x = 1 + 
C. x = - 
- 1
D. x = 
- 1
Mathematics
Convert the given number to scientific notation.1,037,000,000,000,000
A. 1.037 × 1015 B. 1.037 × 10-15 C. 1037 × 10-12 D. 1037 × 1012
Mathematics